RT Journal Article
T1 PM10 Resuspension of Road Dust in Different Types of Parking Lots: Emissions, Chemical Characterisation and Ecotoxicity
A1 Casotti Rienda, Ismael
A1 Alves, Célia
A1 Nunes, Teresa
A1 Soares, Marlene
A1 Amato, F.
A1 Sánchez de la Campa Verdona, Ana María
A1 Kováts, Nóra
A1 Hubai, Katalin
A1 Teke, Gábor
AB The thoracic fraction of road dust (PM10) was measured for the first time in Portugal in parking areas, both outdoors and indoors, with the aim of completing existing studies carried out in active lanes of various roads. An in situ resuspension chamber was used to collect a total of 23 samples in three parking areas of Aveiro, whilst the laboratory procedures included determination of carbonaceous content (OC and EC) by a thermo-optical technique, elemental composition by ICP-MS and ICP-OES after acid digestion, and the Aliivribrio fisherii bioluminescent bacteria ecotoxicity bioassay. Dust loadings (DL10) obtained were 18.5 ± 9.8 mg PM10 m−2, in outdoor parking, and 1.8–23.7 mg PM10 m−2 for indoor parking, corresponding to emission factors of 476 and 75–589 mg veh−1 km−1, respectively. OC represented 9–30 % of PM10 for the indoor parking areas. However, for the outdoor samples, the high iron oxide content jeopardised the OC-EC separation. In those samples, carbonates accounted for 10.0 ± 3.3% of the PM10 mass. The analysis of elemental components focused on major elements (Al, Ca, Fe, K, and Mg) as well as minor elements. The total mass fraction of element oxides accounted for 27.1% (outdoor) and 23.6–34.3% (indoor). ΣPAH calculated for all parking areas accounted for 8.38–36.9 μg g−1 PM10. The ecotoxicological bioassay showed that all aqueous solutions were toxic to bioluminescent bacteria, whereas no clear correlations could be made with specific component groups, with the exception of ΣPAH and EC50.
PB MDPI
SN 2073-4433 (electrónico)
YR 2023
FD 2023-02
LK https://hdl.handle.net/10272/22226
UL https://hdl.handle.net/10272/22226
LA eng
NO Casotti Rienda, I., Alves, C. A., Nunes, T., Soares, M., Amato, F., Sánchez de la Campa, A., Kováts, N., Hubai, K., & Teke, G. (2023). PM10 Resuspension of Road Dust in Different Types of Parking Lots: Emissions, Chemical Characterisation and Ecotoxicity. In Atmosphere (Vol. 14, Issue 2, p. 305). MDPI AG. https://doi.org/10.3390/atmos14020305
NO This research was funded by FEDER, through COMPETE2020–Programa OperacionalCompetitividade e Internacionalização (POCI), and by national funds (OE), through FCT/MCTES,through the implementation of the project “Big data to improve atmospheric emission inventories(BigAir)”, PTDC/EAM-AMB/2606/2020. Furthermore, the authors also acknowledge the financialsupport to CESAM (UIDB/50017/2020+UIDP/50017/2020+LA/P/0094/2020), to FCT/MCTESthrough national funds, and the co-funding by the FEDER, within the PT2020 Partnership Agreementand COMPETE2020. Ismael Casotti Rienda is grateful to the Portuguese Foundation of Science andTechnology (FCT) for funding the scholarship SFRH/BD/144550/2019. The research work was alsosupported by the LIFE-REMY (LIFE20 PRE/IT/000004) and the Spanish National Research ProjectNEXT (PID2019-110623RB-I00), funded by MCIN/AEI/10.13039/501100011033/.
DS Repositorio Institucional de la Universidad de Huelva
RD 31 may 2026